[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 12.199981] audit: type=1400 audit(1514299226.156:6): avc: denied { map } for pid=3130 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-mmots-kasan-gce-0,10.128.0.8' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 138.657079] audit: type=1400 audit(1514299352.613:7): avc: denied { map } for pid=3149 comm="syzkaller182633" path="/root/syzkaller182633065" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 138.688469] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 140.379457] WARNING: CPU: 1 PID: 3382 at arch/x86/kvm/x86.c:7377 kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 140.388871] Kernel panic - not syncing: panic_on_warn set ... [ 140.388871] [ 140.396202] CPU: 1 PID: 3382 Comm: syzkaller182633 Not tainted 4.15.0-rc4-mm1+ #49 [ 140.403876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.413287] Call Trace: [ 140.415853] dump_stack+0x194/0x257 [ 140.419454] ? arch_local_irq_restore+0x53/0x53 [ 140.424098] ? vsnprintf+0x1ed/0x1900 [ 140.427881] panic+0x1e4/0x41c [ 140.431042] ? refcount_error_report+0x214/0x214 [ 140.435765] ? show_regs_print_info+0x18/0x18 [ 140.440233] ? __warn+0x1c1/0x200 [ 140.443660] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 140.448641] __warn+0x1dc/0x200 [ 140.451900] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 140.456885] report_bug+0x211/0x2d0 [ 140.460488] fixup_bug.part.11+0x37/0x80 [ 140.464517] do_error_trap+0x2d7/0x3e0 [ 140.468379] ? math_error+0x400/0x400 [ 140.472156] ? __lock_is_held+0xb6/0x140 [ 140.476194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 140.481007] do_invalid_op+0x1b/0x20 [ 140.484691] invalid_op+0x22/0x40 [ 140.488111] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 140.493703] RSP: 0018:ffff8801bd21f6b0 EFLAGS: 00010293 [ 140.499057] RAX: ffff8801bd25a040 RBX: ffff8801d53b8000 RCX: ffffffff810df6bf [ 140.506297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d47d07e0 [ 140.513541] RBP: ffff8801bd21fa40 R08: 1ffff1003a8fab93 R09: 0000000000000001 [ 140.520783] R10: ffff8801bd21f690 R11: 0000000000000004 R12: 0000000000000000 [ 140.528033] R13: ffff8801d61c6600 R14: ffff8801d47d05c0 R15: ffff8801d47d05c0 [ 140.535289] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 140.540286] ? mutex_lock_io_nested+0x1900/0x1900 [ 140.545458] ? futex_wait_setup+0x22e/0x3d0 [ 140.549756] ? futex_wake+0x680/0x680 [ 140.553537] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 140.558349] ? __lock_acquire+0x664/0x3e00 [ 140.562551] ? mmdrop+0x18/0x30 [ 140.565821] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 140.570893] ? futex_wait+0x6a9/0x9a0 [ 140.574670] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 140.579831] ? __pmd_alloc+0x4e0/0x4e0 [ 140.583686] ? mmdrop+0x18/0x30 [ 140.586934] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 140.592004] ? futex_wake+0x2ca/0x680 [ 140.595772] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 140.600600] ? get_futex_key+0x1d50/0x1d50 [ 140.604820] ? check_noncircular+0x20/0x20 [ 140.609033] kvm_vcpu_ioctl+0x6f1/0xff0 [ 140.612974] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 140.617091] ? kvm_vcpu_fault+0x520/0x520 [ 140.621213] ? find_held_lock+0x35/0x1d0 [ 140.625249] ? __fget+0x333/0x570 [ 140.628671] ? lock_downgrade+0x980/0x980 [ 140.632797] ? lock_release+0xa40/0xa40 [ 140.636740] ? __lock_is_held+0xb6/0x140 [ 140.640778] ? __fget+0x35c/0x570 [ 140.644215] ? iterate_fd+0x3f0/0x3f0 [ 140.647993] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 140.652731] ? retint_kernel+0x10/0x10 [ 140.656591] ? kvm_vcpu_fault+0x520/0x520 [ 140.660709] do_vfs_ioctl+0x1b1/0x1520 [ 140.664581] ? ioctl_preallocate+0x2b0/0x2b0 [ 140.668971] ? selinux_capable+0x40/0x40 [ 140.673006] ? SyS_futex+0x269/0x390 [ 140.676698] ? security_file_ioctl+0x89/0xb0 [ 140.681075] SyS_ioctl+0x8f/0xc0 [ 140.684413] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 140.689134] RIP: 0033:0x445cb9 [ 140.692300] RSP: 002b:00007f987462eda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 140.699987] RAX: ffffffffffffffda RBX: 00000000006dbc24 RCX: 0000000000445cb9 [ 140.707225] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 140.714465] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 140.721718] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc20 [ 140.728956] R13: 6d766b2f7665642f R14: 00007f987462f9c0 R15: 000000000000000a [ 140.736391] Dumping ftrace buffer: [ 140.739957] (ftrace buffer empty) [ 140.743648] Kernel Offset: disabled [ 140.747245] Rebooting in 86400 seconds..